Un tetraedro o un tetraedro alargado a partir de un popote y un cordel
Conteúdo do artigo principal
Resumo
The construction of a regular (or an elonged) tetrahedron model from a plastic straw and a cord is described. These models can be used for teaching stereochemistry of tetrahedral compounds and allenes, respectively.
Detalhes do artigo
Citas en Dimensions Service
![Licencia Creative Commons](https://i.creativecommons.org/l/by-nc-nd/4.0/88x31.png)
Educación Química por Universidad Nacional Autónoma de México se distribuye bajo una Licencia Creative Commons Atribución-NoComercial-SinDerivar 4.0 Internacional.
Basada en una obra en http://www.revistas.unam.mx/index.php/req.